– Lat/Long: 48.71° N 121.99° W
South Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 4 am Fri 30 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Fri 30 Oct Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryLight rain (total 4mm), mostly falling on Fri afternoon. Mild temperatures (max 9°C on Sat afternoon, min 3°C on Sat morning). Wind will be generally light. | Days 4–6 Weather SummarySome drizzle, heaviest during Mon night. Very mild (max 12°C on Mon afternoon, min 5°C on Mon morning). Wind will be generally light. | |||||||||||||||||
Friday 30 | Saturday 31 | Sunday 1 | Monday 2 | Tuesday 3 | Wednesday 4 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  | |  | | |  | | | | | | | |
cloudy | light rain | rain shwrs | some clouds | cloudy | some clouds | clear | clear | clear | some clouds | some clouds | light rain | light rain | some clouds | clear | some clouds | some clouds | some clouds | |
Cloud base (m) | 2600 | 900 | 600 | 5950 | 1450 | 5500 | 6800 | 5750 | 4950 | 1650 | 700 | 1850 | 4050 | 2450 | 2650 | 1850 | ||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | 3 | 1 | — | — | — | — | — | — | — | — | 0.8 | 0.6 | — | — | — | — | — |
max °C | 7 | 5 | 5 | 7 | 9 | 6 | 7 | 9 | 5 | 9 | 12 | 9 | 9 | 12 | 10 | 9 | 10 | 8 |
min °C | 4 | 4 | 4 | 3 | 8 | 5 | 5 | 7 | 5 | 5 | 10 | 7 | 8 | 11 | 8 | 7 | 9 | 7 |
chill °C | 3 | 4 | 4 | 2 | 8 | 5 | 5 | 7 | 5 | 5 | 10 | 6 | 8 | 11 | 8 | 6 | 9 | 7 |
Freezing level m | 1600 | 1250 | 1300 | 1600 | 1750 | 1850 | 1750 | 1750 | 2250 | 3100 | 2750 | 2250 | 2400 | 2450 | 2450 | 2050 | 2000 | 2250 |
 | 7:50 | — | — | 7:52 | — | — | 6:54 | — | — | 7:54 | — | — | 7:56 | — | — | 7:58 | — | — |
 | — | 5:51 | — | — | 5:50 | — | — | 4:47 | — | — | 5:45 | — | — | 5:45 | — | — | 5:43 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Light rain (total 4mm), mostly falling on Fri afternoon. Mild temperatures (max 9°C on Sat afternoon, min 3°C on Sat morning). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Some drizzle, heaviest during Mon night. Very mild (max 12°C on Mon afternoon, min 5°C on Mon morning). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table.For a wider overview of the weather, consult the Weather Map of Washington.
| Weather Station | Temp. | Weather | Wind | Gusts | Cloud / Visibility |
|---|---|---|---|---|---|
SHIP2093 | |||||
 | |||||
SHIP5235 | |||||
SHIP12412 | |||||
SHIP1313 | |||||
SHIP8152 | |||||
SHIP9969 |
* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.